TY  - BOOK
AU  - Deer,W.A, 
AU  - Howe, R.A
AU  - Zussman,J
TI  - An introduction to the Rock forming minerals
SN  - 0582407338
AV  - QE36.2.R6.D4 1966 
PY  - 1966///
CY  - Essex
PB  - ELBS/Longman
ER  -